Terrazzo strip



H. L. FINK TERRAZZO STRIP Nov. 15, 1932.

Griginal Filed Dec. 7. 1929 I lNvwENjroR flurry Zhi* BY Y Y, ATTOY '15 is to provide a terrazzo strip, which may be tions or Patented Nav. 1s, 1932 v1,888,031

UNITED STATES PATENT OFFICE HARRY L. FINE, OF NEW YORK, N. Y.

TERRAZZO STRIP` Application led December 7, 1929, Serial No. 412,320. Renewed May 5, 1939.

The invention consists in va new and im- This application -is a continuation in part,

proveddividingorpattern-formingstrip such .of my prior applications, Serial No. 196,230,

as is used in various plastic surfacing strucfiled June 3, 1927 and Serial Number 269,- tures, and especially in terrazzo floors, where 340, filed April' 12,- 1928.

5 a variegated design is to, beiexposed on the Fig. 1 is af perspective view of a. terrazzo 55 finished surface. For convenience, therefore, strip, embodylng the invention in one form. the new strip willbereferred to hereinafter as Fig. 2 is a cross section of the strip, in

a terrazzo strip, and the advantages of the position in a terrazzo floor. j same will be described in connection with the The strip 6, of suitable sheet metal, usu

10 laying of terrazzo floors. ally brass or bronze, and of moderate thick- 50 A terrazzo strip, as is well known in the ness, has aplurality of spaced integral strapart, is laid during the la ingof the Hoor, and like projections, or bonding loops, 14, formed forms arinbuilt part o the completed floor. by cuttlng or punching and pressing and One ofthe objects of the present invention stretchin the strip material. The projeciiiops are preferably alternately on 65 cheaply formed, as by a stamping operation, opposite sides of the strip, and may be locatfor instance out of thin sheet brass;V and ed at .desired positions widthwise of the which, while having portions displaced from strip. Preferably in some cases as shown, the general plane of the strip, for interlockthe loop formations may be located relative- 29 ing with the plastic material on one or both lynear the lower edge ofthe strip. The 'up- 70 sides of the strip, will present these displaced per and lower edges 15, 16 of the straps or `portions otherwise than as tabs or tongues. loops may be parallel, as shown, but this is Another object is to provides terrazzostrip not essential. Preferably, in the formation of eat strength and rigidity and small cost, of the loopslthey are inclined-to the plane of 25 an at the same time one incorporating orthe strip, this inclination. being outward and 75 tions displaced from the general planeo y the downward, as best shown Vin Fig. 2, provid strip, for performing the interlocking funcing a wedging actionon the material of the tion aforesaid. screed, or base layer'20 of the floor structure.

n Another object is to rovideaterrazzo strip In the formation of the loops or straps,

"3 wherein the displaced) portions are nonunislots or.openings 17 are produced in the -80 planarl projections, preferably formed `by strip, and the material of the screed will stretching as well as displacing the strip maflow' orA be forced through these openings, terial. V forming cross bonds through the strip be- To these ends I form in the strip integral tween the 'base material at opposite sides "J projecting straps or loops and cross-bonding thereof, to retain. the strip in very1 firm in- B5 apertures corresponding generally tothe terlocking engagement with the base 4layer Strap or loop outlines and locations, said strap after the latter sets. The 4angular arrangeformations being preferablyinclined down- .ment or downward flaring angle of the straps Ward and `outward in relation to the plane of exerts a wedging action on the base material the strip, and the projections being located as the strip is pushed down therein, insuralternately at opposite sides of the strip. ing the proper flow of the'material about the The characteristics and advantages of the loop portions and through the slots to form 4 invention are further sufficiently explainedin the cross bonds.

` A5 connection with the following detail descrip-` The strip is usually so located in the screed tion of the accompanying drawn-ig, which that the upper edges of the strap portions showsa representative embodiment. -After are flush with the upper surface of the screed considering this example, skilled persons Will or base layer. Thereafter the upper or terunderstand 'that many variations may be razzo layer 21 is filled in flush with the upmade within the limits defined l by the apper edges of the terrazzo strips, as usual.

pcnded claims. p I claim: 100

outward in relation to cated alternately at opposite sides of the strip.

3. A dividing strip having therein strap projections consisting of integral portions of the strip stretched to approximate arc form, and cross-bonding slots corresponding substantially to the strap portions, the strap portions being inclined outwardly downward in relation to the plane of the strip.

4. A dividinv strip having therein spaced, integral looporm projections and cross bon in apertures su stantially corresponding to t e outline and location of the projections, the projections being inclined downwardly outward in relation to the plane of the strip.

` 5. A laterally flexible dividing strip having a substantially straight upper edge and having substantially flat side walls, and a plurality of s aced loop-form bondin projections strucg out from the material of said strip.

6. A 4laterally iiexible dividing strip having a substantially straight upper edge and havin substantially flat side walls, and a plurality of loop-form bonding projections struck out from the material of said strip and positioned alternately at opposite sides of the strip.

In testimony whereof I ailix m signature.

HARRY FINK.

riding projections in- DISCLAIMER 1,888,031.-Harry L. Fink New York Nd Y. TERRAZZO S'rair. Patent d ted November 15, 1932. isclairner ldd October 27, 1933, by the patentes. a

5. A laterally flexible dividing strip havin a substantiall str hth and. having substantially flat side walls, and a lurality of spacgd loiilfig-forlrlrli) bliiddii; projections str uck out from the material of said) strip.

Hereby dlsclaiins thesubjectmatter of said claim which is in the above stated words except when the construction covered by such claim is embodied in a strip having a b ody portion of a single thickness of material and a zone adjacent its upper :gggilitgdsiigleghlmesstgf natial lthedstrip lliaeing pushed as a unit into, and being y,p lema riawc arensaou the sometimes referred to as a terrazzo strip. t same and being of the type [Qcll Gazette November 21, 1933.]

outward in relation to cated alternately at opposite sides of the strip.

3. A dividing strip having therein strap projections consisting of integral portions of the strip stretched to approximate arc form, and cross-bonding slots corresponding substantially to the strap portions, the strap portions being inclined outwardly downward in relation to the plane of the strip.

4. A dividinv strip having therein spaced, integral looporm projections and cross bon in apertures su stantially corresponding to t e outline and location of the projections, the projections being inclined downwardly outward in relation to the plane of the strip.

` 5. A laterally flexible dividing strip having a substantially straight upper edge and having substantially flat side walls, and a plurality of s aced loop-form bondin projections strucg out from the material of said strip.

6. A 4laterally iiexible dividing strip having a substantially straight upper edge and havin substantially flat side walls, and a plurality of loop-form bonding projections struck out from the material of said strip and positioned alternately at opposite sides of the strip.

In testimony whereof I ailix m signature.

HARRY FINK.

riding projections in- DISCLAIMER 1,888,031.-Harry L. Fink New York Nd Y. TERRAZZO S'rair. Patent d ted November 15, 1932. isclairner ldd October 27, 1933, by the patentes. a

5. A laterally flexible dividing strip havin a substantiall str hth and. having substantially flat side walls, and a lurality of spacgd loiilfig-forlrlrli) bliiddii; projections str uck out from the material of said) strip.

Hereby dlsclaiins thesubjectmatter of said claim which is in the above stated words except when the construction covered by such claim is embodied in a strip having a b ody portion of a single thickness of material and a zone adjacent its upper :gggilitgdsiigleghlmesstgf natial lthedstrip lliaeing pushed as a unit into, and being y,p lema riawc arensaou the sometimes referred to as a terrazzo strip. t same and being of the type [Qcll Gazette November 21, 1933.] 

